Dell Alienware 15 R2 Laptop Bios update

Dell Alienware 15 R2 Laptop Bios update for windows 7 8 8.1 10

Warning: Do not turn off your Laptop or disconnect from your power source while updating the BIOS or you may harm your Laptop. During the update, your computer will restart and you will briefly see a black screen.

1.Double-click the new icon on the desktop mark Dell Alienware 15 R2 Laptop Dell Alienware 15R2 17R3 System BIOS.EXE.
2.The Self-Extracting window appears and prompts you to extract or
unzip to C:DELLDRIVERS create a folder and name it as bios folder. open this path to access application setup